149195535 has 16 divisors (see below), whose sum is σ = 239194080. Its totient is φ = 79410560.

The previous prime is 149195513. The next prime is 149195539. The reversal of 149195535 is 535591941.

It is not a de Polignac number, because 149195535 - 2⁶ = 149195471 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149195539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2136 + ... + 17405.

It is an arithmetic number, because the mean of its divisors is an integer number (14949630).

Almost surely, 2^149195535 is an apocalyptic number.

149195535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149195535 is a deficient number, since it is larger than the sum of its proper divisors (89998545).

149195535 is a wasteful number, since it uses less digits than its factorization.

149195535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20058.

The product of its digits is 121500, while the sum is 42.

The square root of 149195535 is about 12214.5624154122. The cubic root of 149195535 is about 530.3777240917.

The spelling of 149195535 in words is "one hundred forty-nine million, one hundred ninety-five thousand, five hundred thirty-five".